CN109100907A - Luminescent system - Google Patents

Luminescent system Download PDF

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Publication number
CN109100907A
CN109100907A CN201710468528.5A CN201710468528A CN109100907A CN 109100907 A CN109100907 A CN 109100907A CN 201710468528 A CN201710468528 A CN 201710468528A CN 109100907 A CN109100907 A CN 109100907A
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CN
China
Prior art keywords
light
fluorescent wheel
luminescent
phosphor powder
lens
Prior art date
Application number
CN201710468528.5A
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Chinese (zh)
Inventor
许雅伶
蔡威弘
林经纶
林钧尉
Original Assignee
扬明光学股份有限公司
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Application filed by 扬明光学股份有限公司 filed Critical 扬明光学股份有限公司
Priority to CN201710468528.5A priority Critical patent/CN109100907A/en
Publication of CN109100907A publication Critical patent/CN109100907A/en

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2033—LED or laser light sources
    • G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence

Abstract

A kind of luminescent system, including light source, the first fluorescent wheel and the second fluorescent wheel.The first light of light source output.First fluorescent wheel has the first transparent area and the first phosphor powder area.Second fluorescent wheel has the second phosphor powder area.First light can penetrate the first transparent area and reach the second fluorescent wheel, and T1≤T2.T1 means in the time span that the rotation of the first fluorescent wheel is turned around that the first light irradiates the time span of the first transparent area.T2 means that the rotation of the second fluorescent wheel is turned around the required time.First phosphor powder area, which can be stimulated, exports the second light, and the second phosphor powder area, which can be stimulated, exports third light, and the wavelength peak in the spectrum of the second light and third light is different.Through the luminescent system of the embodiment of the present invention light is substantially reduced in generated temperature on each fluorescent wheel, and then increases the efficiency that light carries out wavelength convert, can more further increase the color saturation of image frame.

Description

Luminescent system

Technical field

The present invention relates to a kind of luminescent systems, more particularly, to a kind of luminescent system for projector.

Background technique

The framework of existing projector mainly includes luminescent system, light valve and projection lens, wherein luminescent system to There is provided light, and light valve is to be converted into image light for light, projection lens then image light to be projected on screen, With in forming image frame on screen.Wherein luminescent system can produce the light of different colours, and cardinal principle is exactly by example The good luminous efficiency of laser diode in this way excites the phosphor powder on fluorescent wheel, and then the pure color light source needed for generating.

In known projector configuration, the wavelength convert of light, therefore, single firefly are only carried out by a fluorescent wheel Halo must often bear all exciting light energies, in this case, lead to the excessively high and direct shadow of temperature of single fluorescent wheel Ring the wavelength conversion efficiency for arriving light.Furthermore it, often must be in the frame of projector in the projector configuration of only single fluorescent wheel Increase a synchronous colour wheel in structure to increase the saturation degree of color, but after the synchronous colour wheel of increase, projector can be caused to operate simultaneously When loss of efficiency.Therefore, how to be improved regarding to the issue above, actually this field related personnel focus of interest.

Summary of the invention

One embodiment of the invention provides a kind of luminescent system.The luminescent system of the present embodiment includes light source, the first fluorescent Wheel and the second fluorescent wheel.The first light of light source output.First fluorescent wheel has the first transparent area and the first phosphor powder area.Second Fluorescent wheel has the second phosphor powder area.First light can penetrate the first transparent area and reach the second fluorescent wheel, and T1≤T2.T1 is meant During the rotation of first fluorescent wheel is turned around, the first light irradiates the time span of the first transparent area.T2 means the second fluorescent wheel rotation one Time needed for circle.First phosphor powder area, which can be stimulated, exports the second light, and the second phosphor powder area, which can be stimulated, exports third light Wavelength peak in the spectrum of line, the second light and third light is different.It is set in the structure of the luminescent system of the embodiment of the present invention Under meter, the light that light source is exported is that wavelength convert is carried out using two fluorescent wheels, and energy caused by light is by two fireflies Halo dispersion so that light is substantially reduced in generated temperature on each fluorescent wheel, and then increases light and carries out wavelength convert Efficiency.In addition, can more further increase the color saturation of image frame through the luminescent system of the embodiment of the present invention.

To allow feature of present invention to become apparent, preferred embodiment is cited below particularly, and cooperate schema, elaborates.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the projector of one embodiment of the invention.

Fig. 2 is the structural schematic diagram of the first fluorescent wheel of luminescent system shown in Fig. 1.

Fig. 3 is the structural schematic diagram of the second fluorescent wheel of luminescent system shown in Fig. 1.

Fig. 4 is the structural schematic diagram of the projector of another embodiment of the present invention.

Fig. 5 is the structural schematic diagram of the first fluorescent wheel of another embodiment of the present invention.

Fig. 6 is the structural schematic diagram of the second fluorescent wheel of another embodiment of the present invention.

Fig. 7 is the structural schematic diagram of the projector of another embodiment of the present invention.

Specific embodiment

For the present invention aforementioned and other technology contents, feature and effect, it is preferable with reference to one of schema in following cooperation In the detailed description of embodiment, can clearly it present.The direction term being previously mentioned in following embodiment, such as: upper and lower, left, Right, front or rear etc., the direction term used is intended to be illustrative and not intended to limit the present invention.So-called lens in the present invention are Finger at least can allow part light to penetrate, and it enters, the radius of curvature of at least one of light output surface is non-for infinity；In other words It says, the entering of lens, the one at least within of light-emitting surface need non-for plane.And e.g. plate glass, then it is non-for the present invention it is signified Lens.The so-called optical element of the present invention is that there is finger element the material that can be reflected or penetrate partially or in whole to be constituted, usually It is formed including glass or plastic cement.The so-called light combination of the present invention, light beam output can be synthesized for more than one light beam by referring to.

Fig. 1 is please referred to, is the structural schematic diagram of the projector of one embodiment of the invention.As shown in Figure 1, the present embodiment Projector 1 includes luminescent system 10 and imaging system 20.Luminescent system 10 includes light source 101, fluorescent wheel 102, fluorescent wheel 103, Dichroic Optical Elements 104, lens group 105, Dichroic Optical Elements 106, lens group 107, reflection microscope group 108, Dichroic Optical Element 109, Dichroic Optical Elements 110, collimation lens set 111, first driving device 112, the second driving device 113 and collimation Lens group 115.Imaging system 20 includes light optical element 201, prism 202, light valve 203 and projection lens 204.

The so-called light source 101 of the present invention refer to laser light source, LED source or other be, for example, electric heating light source Any one of conventional light source.Light source 101 be suitable for exporting the first light L1, the first light L1 be wavelength peak in spectrum between Blue ray, ultraviolet light between 400 nanometers to 475 nanometers or other can be used for exciting the light of phosphor powder.In this implementation In example, the first light L1 is blue ray of the wavelength peak between 400 nanometers to 475 nanometers in spectrum.

The so-called first fluorescent wheel of the present invention and the second fluorescent wheel refer to the wheel-like structure with transparent area Yu phosphor powder area. Transparent area refers to the region that hollowed out area or glass etc. are substantially transparent and light must be allowed to penetrate, and phosphor powder area, which refers to, to be coated with The region of phosphor powder.In this example, phosphor powder area is provided with yellow fluorescent bisque, and in another embodiment, in addition to yellow firefly Outside the region of light powder, it is more provided with the region of green fluorescent bisque.

The so-called Dichroic Optical Elements 104 of the present invention, Dichroic Optical Elements 106, Dichroic Optical Elements 109 and light splitting Optical element 110 refers to that bandpass filter (bandpass filters), band are refused optical filter (bandstop filters), divided Colo(u)r filter (DM filter), dichronic mirror (dichroic mirror), colour splitting prism (DM prism), X-type light combination filter group (X plate), X-type light-combining prism (X prism) or the combination of at least one including aforementioned each.And in this example, light splitting Optical element 104, Dichroic Optical Elements 106, Dichroic Optical Elements 109 and Dichroic Optical Elements 110 are respectively a dichronic mirror (dichroic mirror) is coated with one layer of light splitting plated film (dichroic coating) on transparent substrates.In this example, divide Light optical element 104 has the light splitting plated film for allowing blue ray to pass through and reflecting red, green and/or yellow light, light splitting Optical element 106 and Dichroic Optical Elements 109, which are respectively provided with, allows blue ray to pass through and the light splitting of at least reflection red light line is plated Film, Dichroic Optical Elements 110, which have, allows red, green and/or yellow light to pass through and reflection blue light and red light It is divided plated film.

The so-called lens group 105 of the present invention, lens group 107, collimation lens set 111 and collimation lens set 115 respectively include At least one piece of lens, and lens group 105, lens group 107, collimation lens set 111 and collimation lens set 115 diopter be respectively Just.In this example, lens group 105, lens group 107, the lens numbers of collimation lens set 111 and collimation lens set 115 are respectively two It is a.

The so-called reflection microscope group 108 of the present invention is two pieces in this example, to reflect microscope group 108 composed by upper reflector Including the first reflecting mirror 108a and the second reflecting mirror 108b, and what the two was arranged in a mutually vertical manner respectively.

The so-called first driving device 112 of the present invention and the second driving device 113 are can be via the electricity of external control element The motor that sub- signal is controlled uses control fluorescent wheel 102 and fluorescent wheel 103 and carries out people having the same aspiration and interest rotation or the non-people having the same aspiration and interest each other Rotation.

The so-called imaging system 20 of the present invention refers to the system that illumination light is converted to image light.In addition, the present invention is so-called Light optical element 201 refer to that integration rod or fly's-eye lens (flyeye lens) etc. have the optical element of equal light functions, And in this example, light optical element 201 is fly's-eye lens.

The so-called light valve 203 of the present invention is one kind of spatial light modulator, and illumination light can be converted to shadow by the finger of light valve 203 As the device of light, since it has been widely used, therefore it will not add to repeat it, for example, light valve is digital minitype reflector member The members such as part (Digital Micromirror Device, DMD), liquid crystal display panel (LCD) or silica-based liquid crystal panel (LCOS) Part.And in this example, light valve 203 is digital minitype reflector element.

It is referring to figure 2. the structural schematic diagram of the first fluorescent wheel of luminescent system shown in Fig. 1 with Fig. 3, Fig. 2.Fig. 3 is Fig. 1 The structural schematic diagram of second fluorescent wheel of shown luminescent system.As shown in Figure 2 and Figure 3, fluorescent wheel 102 has the first transparent area TA1 and the first phosphor powder area PA1.Fluorescent wheel 103 has the second transparent area TA2 and the second phosphor powder area PA2.Fluorescent wheel 102 First phosphor powder area PA1 can by the first light L1 excitation and export the second light L2, the second phosphor powder area of fluorescent wheel 103 PA2 can by the first light L1 excitation and export third light L3.In the present embodiment, the second light L2 and third light L3 Cie system of color representation cie it is different, more particularly, the wavelength peak in the wavelength peak of the second light L2 and the spectrum of third light L3 Between have phase difference, this phase difference be greater than or equal to 15 nanometers, the second light L2 is green light, that is, in light spectral Light of the medium wavelength peak value between 495 nanometers to 570 nanometers, third light L3 is red light, that is, in light light Medium wavelength peak value is composed between 620 nanometers to 750 nanometers of light.Number

As shown in Figure 1, the Dichroic Optical Elements 104 of the present embodiment are configured at the optics road of light source 101 Yu fluorescent wheel 102 Between diameter.Lens group 105 is configured between Dichroic Optical Elements 104 and the optical path of fluorescent wheel 102.Collimation lens set 111 Between fluorescent wheel 102 and the optical path of Dichroic Optical Elements 106 and the light of light source 101 and Dichroic Optical Elements 104 Between ways for education diameter.Dichroic Optical Elements 106 are configured between fluorescent wheel 102 and the optical path of fluorescent wheel 103.Lens group 107 It is configured between Dichroic Optical Elements 106 and the optical path of fluorescent wheel 103.Fluorescent wheel 103 is located at reflection microscope group 108 and lens Between group 107, the first reflecting mirror 108a is located between fluorescent wheel 103 and the optical path of the second reflecting mirror 108b.Dichroic Optical Element 109 is located on the transmission path of the first light L1 and third light L3.Dichroic Optical Elements 110 be located at the first light L1 with On the transmission path of second light L2.Collimation lens set 115 is located at the optical path of fluorescent wheel 103 and Dichroic Optical Elements 109 Between.First driving device 112 is connected to fluorescent wheel 102, and is suitable for driving fluorescent wheel 102 and rotates.Second driving device 113 It is connected to fluorescent wheel 103, and is suitable for driving fluorescent wheel 103 and rotates.

In the present embodiment, the rotation speed of fluorescent wheel 102 is less than the rotation speed of fluorescent wheel 103, in other words, firefly Halo 102 rotates slow.More particularly, it is revolved in the required time span that turns around in fluorescent wheel 102,101 institute of light source The time span of first transparent area TA1 of the first light L1 irradiation fluorescent wheel 102 of output is T1, and the rotation of fluorescent wheel 103 one The time span of circle is T2, and T1 is more than or equal to T2.

More particularly, during the first transparent area TA1 of the first light L1 irradiation fluorescent wheel 102 in a cycle It is interior, the second transparent area TA2 and the second firefly of fluorescent wheel 103 can be sequentially irradiated to by the first light L1 of the first transparent area TA1 The area Guang Fen PA2, in the middle, the first light L1 for having part are passed by the second transparent area TA2, the first light L1 of another part It is handed to the second phosphor powder area PA2.First light L1 irradiates the first transparent area TA1's and the first phosphor powder area PA1 of fluorescent wheel 102 Time span accounts for about 50% that fluorescent wheel 102 revolves the time span to turn around respectively.And pass through the first of the first transparent area TA1 The time span that light L1 irradiates the second transparent area TA2 of fluorescent wheel 103 is the 30% of T1, passes through the of the first transparent area TA1 The time span that one light L1 is irradiated in the second phosphor powder area PA2 of fluorescent wheel 103 is the 70% of T1.That is, fluorescent wheel 103 light transmission part can be than being greater with phosphor powder part.

Needle is that the luminescent system 10 of the present embodiment forms the path of blue ray (the first light L1), forms green again below The path of light (the second light L2) and the path for forming red light (third light L3), which are done, further to be described.

As shown in Figure 1 to Figure 3, the present embodiment forms the first light L1 that the path of blue ray is exported by light source 101 It penetrates Dichroic Optical Elements 104 and lens group 105 and reaches the first transparent area TA1 of fluorescent wheel 102, due to lens group 105 Diopter is positive, and therefore, when the first light L1 passes through lens group 105, the first light L1 convergence is focused to firefly by lens group 105 The surface of halo 102.By the first light L1 of the first transparent area TA1 of fluorescent wheel 102 penetrate Dichroic Optical Elements 106 and thoroughly Microscope group 107 and the second transparent area TA2 for reaching fluorescent wheel 103, since the diopter of lens group 107 is positive, when the first light When line L1 passes through lens group 107, the first light L1 convergence is focused to the second transparent area TA2 of fluorescent wheel 102 by lens group 107. It is noted that due to the first light L1 by having divergence of beam when the first transparent area TA1 of fluorescent wheel 102 the case where It generates, therefore, through the collimation lens set 111 being configured between fluorescent wheel 102 and Dichroic Optical Elements 106 by the first light L1 Collimated ray is converged, the first light L1 is exposed to completely on Dichroic Optical Elements 106, and similarly, fluorescent wheel It is also obtained after 103 and is equipped with collimating lens group 115.First light L1 is transferred to after the second transparent area TA2 by fluorescent wheel 103 First reflecting mirror 108a, the first reflecting mirror 108a reflect the first light L1 and the first light L1 are made to be transferred to the second reflecting mirror 108b, the second reflecting mirror 108b reflect the first light L1 and the first light L1 are transferred to Dichroic Optical Elements 109.It is divided light Learning element 109 allows the first light L1 from the second reflecting mirror 108b by being transferred to Dichroic Optical Elements 110, is divided light It learns element 110 first light beam L1 reflection is transferred in imaging system 20.

As shown in Figure 1 to Figure 3, the present embodiment forms the first light L1 that the path of green light is exported by light source 101 It penetrates Dichroic Optical Elements 104 and lens group 105 and reaches the first phosphor powder area PA1 of fluorescent wheel 102, the first phosphor powder area PA1 by the first light L1 excitation and export the second light L2.Second light L2 is reflected by the first phosphor powder area PA1 to be transmitted To Dichroic Optical Elements 104.Dichroic Optical Elements 104 reflect the second light L2 from the first phosphor powder area PA1 and by second Light L2 is transferred to Dichroic Optical Elements 110.Dichroic Optical Elements 110 allow the second light L2 from Dichroic Optical Elements 104 By being transferred in imaging system 20.

As shown in Figure 1 to Figure 3, the present embodiment forms the first light L1 that the path of red light is exported by light source 101 It penetrates Dichroic Optical Elements 104 and lens group 105 and reaches the first transparent area TA1 of fluorescent wheel 102.Pass through fluorescent wheel 102 The first light L1 of first transparent area TA1 penetrates collimation lens set 111, Dichroic Optical Elements 106 and lens group 107 and reaches firefly Second phosphor powder area PA2 of halo 103, the second phosphor powder area PA2 by the first light L1 excitation and export third light L3. Third light L3 is transferred to Dichroic Optical Elements 106 by the second phosphor powder area PA2 reflection.The reflection of Dichroic Optical Elements 106 comes from The third light L3 of second phosphor powder area PA2 and third light L3 is transferred to Dichroic Optical Elements 109.Dichroic Optical Elements 109 reflect the third light L3 from Dichroic Optical Elements 106 and are transferred to Dichroic Optical Elements 110, Dichroic Optical Elements 110 Third light beam L3 reflection is transferred in imaging system 20.

In the present embodiment, luminescent system 10 is formed by the first light L1, the second light L2 and third light L3 is passed It is handed to after imaging system 20 and is sequentially transferred to light optical element 201, prism 202, light valve 203 and projection lens 204 and shape At projection ray.

It referring to figure 4., is the structural schematic diagram of another embodiment of the present invention projector.As shown in figure 4, the present embodiment Projector 1a is similar with the projector 1 shown in Fig. 1, and difference is in the fluorescent wheel 102 and fluorescent wheel 103 of the present embodiment penetrate The driving of one driving device 114 and rotated.Specifically, the driving device 114 of the luminescent system 10a of the present embodiment is wrapped Motor 1141 and rotary shaft 1142 are included, motor 1141 is connected to rotary shaft 1142, and motor 1141 is suitable for driving rotary shaft 1142 rotations, the both ends of rotary shaft 1142 are connected to the fluorescent wheel 102 and fluorescent wheel 103, rotate when motor 1141 drives When axis 1142 rotates, rotary shaft 1142 drives fluorescent wheel 102 to be rotated with fluorescent wheel 103 simultaneously.Specifically, originally Other components of the projector 1a of embodiment and formed the path of blue ray, green light and red substantially with Fig. 1 institute The projector 1 shown is identical, therefore will not be repeated here it in this section of explanation.

It is the structural representation of the first fluorescent wheel and the second fluorescent wheel of another embodiment of the present invention referring to figure 5. with Fig. 6 Figure.Specifically, the fluorescent wheel 102b of the present embodiment and fluorescent wheel 103b are configured at projector 1 similar to Figure 1 It in framework, and is people having the same aspiration and interest rotation, that is, fluorescent wheel 102b and firefly between the fluorescent wheel 102b of the present embodiment and fluorescent wheel 103b Revolving speed between halo 103b is identical.As shown in figs. 5 and 6, the fluorescent wheel 102b of the present embodiment has penetrating region TA and first Phosphor powder area PA1b, fluorescent wheel 102b have penetrating region TA ', dark space DA and the second phosphor powder area PA2b, and fluorescent wheel 102b The percentage that dark space DA accounts for the circumference of fluorescent wheel 102b is greater than 20%.Due to the fluorescent wheel 102b and fluorescent wheel of the present embodiment 103b is people having the same aspiration and interest rotation each other, therefore, during fluorescent wheel 102b and fluorescent wheel 103b rotates, fluorescent wheel 102b Penetrating region TA correspond to fluorescent wheel 102b penetrating region TA ' and the second phosphor powder area PA2b, the first fluorescent of fluorescent wheel 102b Powder area PA1b correspond to fluorescent wheel 102b dark space DA, that is to say, that the dark space DA of fluorescent wheel 102b be during rotation not by The region that first light is irradiated.

Fig. 7 is please referred to, is the structural schematic diagram of the projector of another embodiment of the present invention.As shown in fig. 7, the present embodiment Projector 1c it is similar with the projector 1 shown in Fig. 1, difference is in the projector 1c of the present embodiment is omitted as shown in Figure 1 Projector 1 Dichroic Optical Elements 106 and Dichroic Optical Elements 109, this spline structure design under, formed the first light L1 The path of (blue ray) can be identical as the path of third light L3 (red light) is formed, therefore first depicted in Fig. 7 The line segment of the line segment of light L1 and third light L3 are to overlap and indicated each other with solid line.Specifically, the present embodiment shines The first light L1 that the path that system 10c forms third light L3 (red beam) is exported by light source 101 penetrates Dichroic Optical Element 104 and lens group 105 and the first transparent area TA1 for reaching fluorescent wheel 102.Pass through the first transparent area TA1 of fluorescent wheel 102 The first light L1 penetrate lens group 107 and reach the second phosphor powder area PA2 of fluorescent wheel 103, the second phosphor powder area PA2 by To the first light L1 excitation and export third light L3.Third light L3 is directed through the second phosphor powder area PA2 and is transferred to First reflecting mirror 108a, the first reflecting mirror 108a reflection third light L3 and so that third light L3 is transferred to the second reflecting mirror 108b, the second reflecting mirror 108b reflect third light L3 and the first light L1 are transferred to Dichroic Optical Elements 110, Dichroic Optical Third light L3 reflection is transferred in imaging system 20 by element 110.

To sum up institute is old, and under the structure design of the luminescent system of the embodiment of the present invention, the light that light source is exported is to utilize Two fluorescent wheels carry out wavelength convert, and energy caused by light is dispersed by two fluorescent wheels, so that light is in each fluorescent Temperature caused by wheel is substantially reduced, and then increases the efficiency that light carries out wavelength convert.In addition, through the embodiment of the present invention Luminescent system can more further increase the color saturation of image frame.

Although the present invention is disclosed above with embodiment, so it is not intended to limit the invention, the technical field of the invention Middle tool usually intellectual, is not departing from spirit and scope of the invention, when can make it is a little change and retouch, therefore the present invention protect Range is subject to view appended claims defender.

Claims (10)

1. a kind of luminescent system, comprising:
One light source, one first light of light source output；
One first fluorescent wheel has one first transparent area and one first phosphor powder area；And
One second fluorescent wheel has one second phosphor powder area；
Wherein, which can penetrate first transparent area and reach the second fluorescent wheel, and T1≤T2；T1 refers to first firefly During halo rotation is turned around, which irradiates the time span of first transparent area, and T2 refers to the second fluorescent wheel rotation one Time needed for circle, the first phosphor powder area can be stimulated one second light of output, which can be stimulated output Wavelength peak in the spectrum of one third light, second light and the third light is different.
2. a kind of luminescent system, comprising:
One light source exports one first light；
One first fluorescent wheel has a penetrating region；And
One second fluorescent wheel, has a dark space, and the percentage system which accounts for the circumference of the second fluorescent wheel is greater than 20%；
Wherein, which can penetrate the penetrating region of the first fluorescent wheel to reach the second fluorescent wheel, which is should Not by the region of the first light irradiation on second fluorescent wheel.
3. a kind of luminescent system, comprising:
One light source exports one first light；
One first fluorescent wheel has one first phosphor powder area and one first penetrating region；And
One second fluorescent wheel has one second phosphor powder area and one second penetrating region；
Wherein, which can sequentially penetrate first penetrating region and second penetrating region, which can be excited Hair one second light of output, which, which can be stimulated, exports a third light, second light and the third light Spectrum in wavelength peak it is different.
4. luminescent system as claimed in claim 1 or 2, which is characterized in that the second fluorescent wheel has more one second transparent area, Second transparent area can allow first light to pass through.
5. luminescent system as claimed in claim 1,2 or 3, which is characterized in that luminescent system further includes at least collimating lens Group, which is configured between the first fluorescent wheel and the second fluorescent wheel, and the diopter of the collimation lens set is Just.
6. luminescent system as claimed in claim 1 or 3, which is characterized in that between the first fluorescent wheel and the second fluorescent wheel It is rotated for the people having the same aspiration and interest, and the revolving speed between the first fluorescent wheel and the second fluorescent wheel is identical.
7. luminescent system as claimed in claim 6, which is characterized in that the luminescent system further includes a driving device, the driving Device drives the first fluorescent wheel and the second fluorescent wheel simultaneously.
8. luminescent system as claimed in claim 2, which is characterized in that the first fluorescent wheel has more one first phosphor powder area, The second fluorescent wheel has more one second phosphor powder area, which, which can be stimulated, exports one second light, this second Phosphor powder area, which can be stimulated, exports a third light, and second light and the third light are respectively provided with a spectrum, second light The wavelength peak of the spectrum of line and the third light is different, and the wavelength peak in the spectrum of second light and the third light Spectrum in wavelength peak between have a phase difference, the phase difference be more than or equal to 15 nanometers.
9. luminescent system as claimed in claim 1 or 3, which is characterized in that wavelength peak in the spectrum of second light with There is a phase difference, which is more than or equal to 15 nanometers between wavelength peak in the spectrum of the third light.
10. luminescent system as claimed in claim 1,2 or 3, which is characterized in that the luminescent system further includes:
One first dichronic mirror is configured between the light source and the first fluorescent wheel, which is adapted to allow for first light It penetrates, and second light of first dichroic mirror from the first phosphor powder area, wherein the wavelength peak of first light Value between 400 nanometers to 475 nanometers, wavelength peak in the spectrum of second light between 495 nanometers to 570 nanometers it Between；
One first lens group is configured between first dichronic mirror and the first fluorescent wheel, penetrate first dichronic mirror this One light reaches the first fluorescent wheel by first lens group, which includes plural piece lens, and this is first thoroughly The diopter of microscope group is positive；
One second dichronic mirror is configured between the first fluorescent wheel and the second fluorescent wheel, which is adapted to allow for passing through First light of first penetrating region of the first fluorescent wheel penetrates, and second dichroic mirror comes from second phosphor powder The third light in area, wherein the wavelength peak in the spectrum of the third light is between 620 nanometers to 750 nanometers；
One second lens group is configured between second dichronic mirror and the second fluorescent wheel, penetrate second dichronic mirror this One light reaches the second fluorescent wheel by second lens group, which includes plural piece lens, and this is second thoroughly The diopter of microscope group is positive；
One reflection microscope group, the second fluorescent wheel are located between second lens group and the optical path of the reflecting mirror, the reflection microscope group packet Plural piece reflecting mirror is included, which is suitable for being reflected through first light of second penetrating region of the second fluorescent wheel；
One third dichronic mirror, on the transmission path of first light and the third light, which is adapted to allow for coming Pass through from first light of the reflection microscope group, and reflects the third light from second dichronic mirror；
One the 4th dichronic mirror, on the transmission path of first light and second light, the 4th dichronic mirror is adapted to allow for coming Pass through from second light of first dichronic mirror, and reflects first light from the third dichronic mirror；
Collimating lens group, between the first fluorescent wheel and second dichronic mirror, and the diopter of the collimation lens set is Just；
One first motor is connected to the first fluorescent wheel, and is suitable for driving the first fluorescent wheel rotation；And
One second motor is connected to the second fluorescent wheel, and is suitable for driving the second fluorescent wheel rotation.
CN201710468528.5A 2017-06-20 2017-06-20 Luminescent system CN109100907A (en)

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